Question

What type of lens is used to make objects appear smaller and clearer?
conrate lenses
convex lenses
concave lenses
none of these

Answer 1

Firstly, do you know what each of the lens' are used for?

Answer 2

concave lenses are used to make an object smaller and clearer while lense is a a piece of transparent material (as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used either singly or combined in an optical instrument for forming an image by focusing rays of light.